acpi: Add struct for SPCR table

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I46d5caa0af95ec27fd49b0cf8fa704d656c89e7e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75684
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Arthur Heymans 2023-06-07 12:12:45 +02:00 committed by Lean Sheng Tan
parent c3ff7d6900
commit e7aaf04cf5
1 changed files with 30 additions and 0 deletions

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@ -1298,6 +1298,36 @@ typedef struct acpi_einj {
acpi_einj_action_table_t action_table[ACTION_COUNT];
} __packed acpi_einj_t;
/* SPCR (Serial Port Console Redirection Table) */
typedef struct acpi_spcr {
acpi_header_t header;
uint8_t interface_type;
uint8_t reserved[3];
acpi_addr_t base_address;
uint8_t interrupt_type;
uint8_t irq;
uint32_t global_system_interrupt;
uint8_t configured_baudrate;
uint8_t parity;
uint8_t stop_bits;
uint8_t flow_control;
uint8_t terminal_type;
uint8_t language;
uint16_t pci_did;
uint16_t pci_vid;
uint8_t pci_bus;
uint8_t pci_dev;
uint8_t pci_fun;
uint32_t pci_flags;
uint8_t pci_segment;
uint32_t uart_clock;
uint32_t precise_baud_rate;
uint16_t namespace_string_length;
uint16_t namespace_string_offset;
char namespacestring[];
} __packed acpi_spcr_t;
_Static_assert(sizeof(acpi_spcr_t) == 88, "acpi_spcr_t must have an 88 byte size\n");
uintptr_t get_coreboot_rsdp(void);
void acpi_create_einj(acpi_einj_t *einj, uintptr_t addr, u8 actions);